First day of meteorological fall marked by above-normal temps. across much of U.S.
Above-normal temperatures are forecast across much of the contiguous U.S. on Tuesday and in some cases will be as much as 10-15 degrees above average for this time of year. Afternoon highs could reach 90 or higher from the Great Plains to the Eastern Seaboard. One exception will be across parts of the Pacific Northwest. Remember to practice heat safety if you plan to spend extended time outside.
Marine Zone Forecast
FOR INFORMATION ON POSSIBLE HAZARDOUS WEATHER BEYOND THE 24-36 HOUR FORECAST PERIOD...PLEASE VISIT WWW.WEATHER.GOV/BOSTON AND FOLLOW THE CURRENT HAZARDS LINK ABOVE THE MAP ON THE LEFT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS. SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.